Pillow denial of service via Crafted Block Size
Published Aug 25, 2014 · Updated Oct 23, 2026 · Also known as PYSEC-2014-10, GHSA-cfmr-38g9-f2h7
Original summary
Normalized public record · Updated Oct 23, 2026
Pillow denial of service via Crafted Block Size
Publisher and source text is retained separately from QFinch interpretation.
QFinch assessment
`PIL/IcnsImagePlugin.py` in Python Imaging Library (PIL) and Pillow before 2.3.2 and 2.5.x before 2.5.2 allows remote attackers to cause a denial of service via a crafted block size.
Evidence: public source recordsAffected products
| Affected package, product or range | Fix status |
|---|---|
| Consult the referenced vendor advisory for affected versions. | Consult source advisory |
Matching a version is only one part of assessing exposure. QFinch has not assessed your environment on this public page.
Remediation
Apply the vendor-supported fixed release or mitigation, then verify the affected component is no longer reachable.
- Confirm the affected product and reachable code path exist in your environment.
- Apply the vendor-supported patch or mitigation from the primary advisory.
- Rescan the exact deployed revision and retain verification evidence.
Evidence coverage
- SSVC priority
- LOW
- Confidence
- Not available
- Aliases
- PYSEC-2014-10, GHSA-cfmr-38g9-f2h7
Scores appear only when corresponding evidence exists. Missing data is never interpreted as zero risk.
Sources and record history
Record history
Published Aug 25, 2014 · Last refreshed Oct 23, 2026